Sony introduced two new e-book readers on Aug. 5 that will be available in late August. The Reader Pocket Edition features a 5-inch screen, a physique trim enough to slip into purses and shirt pockets, and a price of $199. The larger Touch Edition, priced at $299, has a 6-inch touch-screen that's handy for navigating the device, underlining passages and writing notes in the margins of e-books. Sony additionally announced it had lowered the price of best-sellers and new releases to $9.99. The two Readers come to market just as Amazon has dropped the price of the Kindle 2, Plastic Logics announced it has a model with a nearly 10-inch screen in the works, and even Apple is expected to join the competition soon.

Michelle Maisto has been covering the enterprise mobility space for a decade, beginning with Knowledge Management, Field Force Automation and eCRM, and most recently as the editor-in-chief of Mobile Enterprise magazine. She earned an MFA in nonfiction writing from Columbia University, and in her spare time obsesses about food. Her first book, The Gastronomy of Marriage, if forthcoming from Random House in September 2009.